The detail that jumped out at me first is the heat shield under the rear engine cover: self-adhesive aluminum foil, pressed down with a cotton swab and trimmed with a craft knife. A simple household material standing in for a heat shield on a 959 engine bay seems like a genuinely clever touch, and the maker explains the technique clearly.
The build itself is a 1/24 Tamiya Porsche 959, and this third episode of the series is all about the body shell. The maker says painting, clear coating, correction and polishing matter most for car models, and the process here backs that up. The shell gets dusted with an anti-static brush before any paint goes on, then multiple coats of MRP Medium Royal Blue, code C006, are airbrushed over the body and mirror parts on a rotating turntable, using a Gaahleri Swallowtail spray gun with a 0.5 mm nozzle and fan cap. The rear wing and side mirrors are painted alongside the body.
The clear coat work is where this episode really digs in. Four layers of Mr. Color Super Clear III UV Cut, product GX112, go over the body and wing, mixed one part clear to two parts Mr. Color Leveling Thinner and weighed on a digital scale. Once cured, the finish is wet-sanded through 3000, 6000, 8000 and 10000 grit sponges, wiped clean between each grit, then buffed with Tamiya Finishing Compound on a motorized rotary tool with miniature foam pads, and finished with a microfiber wipe-down and airbrush blow-drying. A stainless steel metallic marker handles the engine bay surround and headlamp housings.
The one open question for me is the polishing stage: the body ends up with a polished, corrected clear finish, but the episode does not go into how far that correction can be pushed on a shell this small before edges start to suffer.
Project by MM Scale Models. Watch it on their YouTube channel: